试图在testcafe/testcafe docker映像中运行铬无头的摄像机会导致浏览器悬挂,无论我使用了什么选项。这是我目前拥有的:
"browsers": {
"path": "/usr/bin/chromium-browser",
"cmd": "--headless --disable-gpu --no-sandbox"
}
和几分钟后的输出:
e2e_1 | Using locally installed version of TestCafe.
e2e_1 | ERROR The HeadlessChrome 71.0.3578 / Linux 0.0.0 browser disconnected. This problem may appear when a browser hangs or is closed, or due to network issues.
e2e_1 |
e2e_1 | Type "testcafe -h" for help.
如果我删除--headless
,则可以正常工作,但是浏览器将渲染到XVFB中而不是无头运行。
dockerfile:
FROM testcafe/testcafe
USER root
RUN apk --no-cache add
ffmpeg
RUN mkdir /home/e2e
WORKDIR /home/e2e
COPY . .
RUN chmod -R 757 /home/e2e
USER user
RUN npm install
EXPOSE 1337 1338
ENTRYPOINT ["/home/e2e/testcafe-docker.sh"]
testcafe-docker.sh:
#!/bin/sh
XVFB_SCREEN_WIDTH=${SCREEN_WIDTH-1280}
XVFB_SCREEN_HEIGHT=${SCREEN_HEIGHT-720}
dbus-daemon --session --fork
Xvfb :1 -screen 0 "${XVFB_SCREEN_WIDTH}x${XVFB_SCREEN_HEIGHT}x24" >/dev/null 2>&1 &
export DISPLAY=:1.0
fluxbox >/dev/null 2>&1 &
testcafe --ports 1337,1338 "$@"
.testcaferc.json:
{
"browsers": "chromium --no-sandbox",
"src": ["tests/*"],
"reporter": "spec",
"screenshotPath": "tmp/screenshots/",
"screenshotPathPattern": "${DATE}_${TIME}/test-${TEST_INDEX}/${USERAGENT}/${FILE_INDEX}.png",
"takeScreenshotsOnFails": true,
"videoPath": "tmp/reports/screen-captures",
"videoOptions": {
"singleFile": true,
"failedOnly": true,
"pathPattern": "${TEST_INDEX}/${USERAGENT}/${FILE_INDEX}.mp4"
},
"videoEncodingOptions": {
"r": 20,
"aspect": "16:9"
},
"skipJsErrors": true,
"concurrency": 1,
"port1": 1337,
"port2": 1338
}
编辑:我应该纠正自己,当我删除--headless
时,这在100%的时间内无法工作,也不会在无头时100%失败。无论哪种方式,它都会间歇地通过一两个测试,然后失败。 Firefox确实有100%的时间经过。我也一直在尝试docker-composs,但是我的docker-compose.yml中没有什么特别的,而且行为似乎是一样的。
[更新]最新的TestCafe版本(1.1.4
)包含所有必要的标志。您可以如下简化browsers
属性值:
"browsers": "chromium"
关于此的testcafe github上创建了一个问题。它最终通过在铬上使用--disable-dev-shm-usage
标志来解决。
问题:https://github.com/devexpress/testcafe/issues/3524
pr在docker中默认为默认值:https://github.com/devexpress/testcafe/pull/3557